CN211676327U - Energy-efficient type evaporative concentration system - Google Patents
Energy-efficient type evaporative concentration system Download PDFInfo
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- CN211676327U CN211676327U CN201922340225.2U CN201922340225U CN211676327U CN 211676327 U CN211676327 U CN 211676327U CN 201922340225 U CN201922340225 U CN 201922340225U CN 211676327 U CN211676327 U CN 211676327U
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- evaporative concentration
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- preheater
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Abstract
The utility model relates to a high-efficiency energy-saving type evaporation concentration system, which comprises an evaporation concentration chamber, a heat pump unit, a secondary condenser, a condensate tank, a preheater and a vacuum pump, wherein the evaporation concentration chamber comprises a steam port, a feed back port, a discharge port and a feed inlet; the feed inlet, the steam port and the feed back port of the evaporation concentration chamber are respectively connected with the discharge port, the air inlet and the feed inlet of the heat pump unit; a feed inlet of the heat pump unit is connected with a discharge outlet of a preheater for preheating materials, and a liquid outlet of the heat pump unit is connected with a liquid inlet of a secondary condenser; the air outlet of the secondary condenser is connected with the condensate tank; the condensate tank is connected with a vacuum pump. By adopting the structure, the system has the advantages of ingenious structural design and high efficiency and energy conservation.
Description
Technical Field
The utility model relates to an evaporative concentration system, specific theory is about an energy-efficient evaporative concentration system.
Background
At present, the mainstream low-temperature evaporation concentration process is to heat materials by using steam, then the materials enter an evaporation concentration chamber to be evaporated and concentrated under a negative pressure state, and the evaporated steam is cooled by cooling water to realize condensation and recovery.
Therefore, the existing low-temperature evaporation concentration process needs to continuously use steam for heating, and is provided with a high-power cooling water pump and a cooling tower, so that the energy consumption is high, and the comprehensive operation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at improving the not enough of prior art, provide an energy-efficient type evaporative concentration system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an efficient energy-saving type evaporation concentration system comprises an evaporation concentration chamber, a heat pump unit, a secondary condenser, a condensate tank, a preheater and a vacuum pump,
the evaporation concentration chamber comprises a steam port, a feed back port, a discharge port and a feed inlet;
the feed inlet, the steam port and the feed back port of the evaporation concentration chamber are respectively connected with the discharge port, the air inlet and the feed inlet of the heat pump unit, and are respectively used for evaporating and concentrating materials input by the heat pump unit, evaporating part or all volatile components in the materials to form steam and conveying the steam to the heat pump unit, and inputting the materials into the heat pump unit for reheating;
a feed inlet of the preheater is connected with the material container and used for heating materials;
the liquid outlet of the heat pump unit is connected with the liquid inlet of the secondary condenser and is used for sending condensate after heat exchange into the secondary condenser for continuous cooling;
a liquid outlet of the secondary condenser is connected with a condensate tank, and the condensate tank is used for recovering condensate;
the condensate tank is connected with a vacuum pump, and the vacuum pump is used for enabling the system to be in a set negative pressure value and enabling the solvent to be continuously evaporated in the evaporation concentration chamber.
According to the utility model discloses, the feed back mouth of evaporative concentration room and heat pump set's feed inlet pass through the feed back union coupling, be equipped with the circulating pump on the feed back pipe for the not concentrated complete material input heat pump set with the evaporative concentration room reheats.
According to the utility model discloses, the bin outlet of evaporative concentration room is connected with the delivery pipe, be equipped with the discharge pump on the delivery pipe for discharge the material that evaporative concentration is good fast.
Further, a discharge port of the evaporation and concentration chamber is connected with a concentrated solution storage container.
According to the utility model discloses, the play liquid end of condensate tank is equipped with the drain pipe, be equipped with the condensate pump on the drain pipe, pump out the condensate in the condensate tank through the condensate pump, the condensate tank is connected with solvent storage container, solvent storage container is used for retrieving the solvent that the storage condensate pump was pumped.
According to the utility model discloses, the feed inlet and the material container of pre-heater are connected, be equipped with the inlet pipe between pre-heater and the material container, be equipped with the charge pump on the inlet pipe, send the material in the material container to the pre-heater through the charge pump and preheat.
Furthermore, a bypass pipe is connected between the feed back pipe and the feed pipe and is used for inputting the incompletely concentrated materials of the evaporation concentration chamber into the preheater for reheating.
According to the utility model discloses, the inlet end of pre-heater is connected with the steam source for input steam and carry out preliminary preheating to the material.
According to the utility model discloses, secondary condenser's feed liquor end is connected with the cooling water source for input cooling water, and carry out the secondary condensation to the condensate of heat pump set cooling.
The utility model discloses a high-efficient energy-saving evaporative concentration system, its beneficial effect is:
1. the vacuum pump is arranged, so that the whole evaporation and concentration process is carried out in a negative pressure state, evaporation and concentration can be carried out in the evaporation and concentration chamber at a lower temperature, and meanwhile, the loss of nutrient components or active components of sensitive materials can be reduced;
2. the heat pump unit recovers heat in steam evaporated from the evaporation concentration chamber and directly heats materials, and replaces the traditional evaporation concentration system to directly provide steam for heating the materials, so that the whole system is more efficient and energy-saving; meanwhile, the secondary condensation of the steam can be realized only by a small condensation heat exchanger and a small amount of cooling water.
3. The system is efficient and energy-saving, and the running cost of the whole machine is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of the energy-efficient evaporative concentration system of the present invention.
Detailed Description
The following describes the energy-efficient evaporation and concentration system of the present invention in further detail with reference to the attached drawings.
As shown in fig. 1, for the utility model discloses a high-efficient energy-saving evaporative concentration system, including evaporative concentration room 1, heat pump set 2, secondary condenser 3, condensate tank 4, pre-heater 5 and vacuum pump 6.
The evaporation concentration chamber 1 comprises a steam port 11, a feed back port 12, a discharge port 13 and a feed inlet 14; the feed inlet 14 of the evaporation concentration chamber 1 is connected with the discharge outlet of the heat pump unit 2 and is used for evaporating and concentrating materials input by the heat pump unit 2; the steam port 11 of the evaporation concentration chamber 1 is connected with the air inlet of the heat pump unit 2 and is used for evaporating part or all volatile components in the materials to form steam and conveying the steam to the heat pump unit 2; and the material return port 12 of the evaporation concentration chamber 1 is connected with the feed inlet of the heat pump unit 2 and used for inputting materials into the heat pump unit 2 to reheat.
The feed inlet of the preheater 5 is connected to a material container (not shown) for heating the material.
The feed inlet of heat pump set 2 is connected with the discharge gate of pre-heater 5 for during the material after will preheating is sent into evaporative concentration room 1, perhaps, be arranged in preheating the material of pre-heater 5 input and heating once more and sending into evaporative concentration room 1, the liquid outlet of heat pump set 2 is connected with secondary condenser 3's inlet for send into secondary condenser 3 with the condensate after the heat transfer and continue the cooling.
And a liquid outlet of the secondary condenser 3 is connected with a condensate tank 4, and the condensate tank 4 is used for recovering condensate. The condensate tank 4 is connected with a vacuum pump 6, and the vacuum pump 6 is used for enabling the system to be at a set negative pressure value and enabling the solvent to be continuously evaporated in the evaporation concentration chamber 1.
The feed back 12 of the evaporation concentration chamber 1 is connected with the feed inlet of the heat pump unit 2 through a feed back pipe 15, and the feed back pipe 15 is provided with a circulating pump 7 for inputting the materials which are not completely concentrated in the evaporation concentration chamber 1 into the heat pump unit 2 for reheating.
The discharge outlet 13 of the evaporation concentration chamber 1 is connected with a discharge pipe 16, a discharge pump 8 is arranged on the discharge pipe 16 and used for rapidly discharging the evaporated and concentrated materials, and the other end of the discharge pipe 16 can be connected with a concentrated solution storage container (not shown in the figure) for collecting the concentrated materials.
A liquid outlet pipe 17 is arranged at the liquid outlet end of the condensate tank 4, a condensate pump 9 is arranged on the liquid outlet pipe 17, condensate in the condensate tank is pumped out through the condensate pump 9, the condensate tank 4 is connected with a solvent storage container (not shown in the figure), and the solvent storage container is used for recovering and storing the solvent pumped out by the condensate pump.
Be equipped with inlet pipe 18 between preheater and the material container, be equipped with charge-in pump 10 on the inlet pipe 18, send the material in the material container to preheat in preheater 5 through charge-in pump 10.
A bypass pipe 19 is connected between the feed back pipe 15 and the feed pipe 18 and is used for feeding the incompletely concentrated materials of the evaporation and concentration chamber 1 into the preheater 5 for reheating.
The inlet end of the preheater 5 is connected with a steam source (for example, a steam outlet of a heating water tank, etc.), and steam is input through the steam source to preliminarily preheat the material. Because heat pump set is direct to be connected with the evaporation concentration room, can carry out circulation heating to the material, consequently the utility model discloses a system only needs very little pre-heater to and this pre-heater only needs a small amount of steam.
The liquid inlet end of the secondary condenser 3 is connected with a cooling water source (for example, a liquid inlet of a cooling water tank, a tap water pipe and the like), and the condensate cooled by the heat pump unit is secondarily condensed by cooling water input by the cooling water source. Moreover, because heat pump set 2 has carried out once cooling to the steam of evaporative concentration room 1, consequently the utility model discloses a system only needs very little condensation heat exchanger and a small amount of cooling water.
The utility model discloses a high-efficient energy-saving evaporative concentration system's working process as follows:
firstly, a feeding pump 10 is turned on to supplement materials into the evaporation concentration system, the materials are input into a preheater 5, and the materials are preheated by the preheater 5, so that the materials reach the set liquid level and temperature.
And then, starting the vacuum pump 6, pumping the system to a negative pressure and reaching a set negative pressure value, so that the solvent is continuously evaporated in the evaporation and concentration chamber. At this time, the heat pump unit 2 is started to continuously recycle the heat contained in the solvent steam to heat the material. Simultaneously, send into heat pump set 2 through circulating pump 7 with the material of evaporative concentration room 1 below and carry out the heat transfer, so reciprocal going on, bring the heat into the concentration room through the circulating pump and make the material evaporative concentration always. When the concentration of the materials reaches the set concentration, the discharging pump 8 is automatically started, and the treated materials are collected and stored. And the evaporated solvent is cooled and condensed after heat is extracted by the heat pump unit 2, then enters the secondary condenser 3 to be continuously cooled to the rated temperature, and enters the condensate tank 4, and when the liquid level of the condensate tank 4 rises to a set value, the condensate pump 9 is started to pump out the solvent for recycling and storage.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An efficient energy-saving type evaporation concentration system is characterized by comprising an evaporation concentration chamber, a heat pump unit, a secondary condenser, a condensate tank, a preheater and a vacuum pump,
the evaporation concentration chamber comprises a steam port, a feed back port, a discharge port and a feed inlet; the feed inlet, the steam port and the feed back port of the evaporation concentration chamber are respectively connected with the discharge port, the air inlet and the feed inlet of the heat pump unit;
a feed inlet of the heat pump unit is connected with a discharge outlet of a preheater for preheating materials, and a liquid outlet of the heat pump unit is connected with a liquid inlet of a secondary condenser;
a liquid outlet of the secondary condenser is connected with the condensate tank;
the condensate tank is connected with a vacuum pump.
2. The efficient energy-saving type evaporative concentration system according to claim 1, wherein the return port of the evaporative concentration chamber is connected with the feed port of the heat pump unit through a return pipe, and the return pipe is provided with a circulating pump.
3. The energy efficient evaporative concentration system of claim 1, wherein the discharge outlet of the evaporative concentration chamber is connected to a discharge pipe, and the discharge pipe is provided with a discharge pump.
4. The energy efficient evaporative concentration system of claim 3, wherein the discharge outlet of the evaporative concentration chamber is connected to a concentrate storage container.
5. The energy-efficient evaporative concentration system as recited in claim 1, wherein a liquid outlet pipe is disposed at the liquid outlet end of the condensate tank, and a condensate pump is disposed on the liquid outlet pipe.
6. The energy efficient evaporative concentration system of claim 5, wherein the condensate tank is connected to a solvent storage vessel.
7. The energy efficient evaporative concentration system of claim 2, wherein the preheater is connected to the material container, and a feed pipe is disposed between the preheater and the material container, and a feed pump is disposed on the feed pipe.
8. An energy efficient evaporative concentration system as recited in claim 7 wherein a bypass line is connected between said return line and said feed line for feeding the incompletely concentrated material from the evaporative concentration chamber to the preheater for reheating.
9. The energy efficient evaporative concentration system of claim 1, wherein the inlet end of the preheater is connected to a source of steam.
10. The energy efficient evaporative concentration system of claim 1, wherein the inlet end of the secondary condenser is connected to a source of cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340225.2U CN211676327U (en) | 2019-12-24 | 2019-12-24 | Energy-efficient type evaporative concentration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340225.2U CN211676327U (en) | 2019-12-24 | 2019-12-24 | Energy-efficient type evaporative concentration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211676327U true CN211676327U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340225.2U Active CN211676327U (en) | 2019-12-24 | 2019-12-24 | Energy-efficient type evaporative concentration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211676327U (en) |
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2019
- 2019-12-24 CN CN201922340225.2U patent/CN211676327U/en active Active
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Effective date of registration: 20201028 Address after: No.336, Qinggao Road, Qingcun Town, Fengxian District, Shanghai, 201414 Patentee after: SHANGHAI MINJIE MACHINERY Co.,Ltd. Address before: 201414 Fengxian District green high road, Fengxian District, Shanghai Patentee before: SHANGHAI MINGJIE MACHINERY Co.,Ltd. |